package cn.edu.scau.cmi.ZengLinghong.chapter10;

import java.io.*;
import java.util.*;

public class Example10_16 {
	public static void main(String[] args) {
		File file = new File("student.txt");
		Scanner sc = null;
		int count = 0;
		double sum = 0;
		try {
			double score = 0;
			sc = new Scanner(file);
			sc.useDelimiter("[^0123456789.]+");
			while (sc.hasNextDouble()) {
				score = sc.nextDouble();
				count++;
				sum = sum + score;
				System.out.println(score);
			}
			double avar = sum / count;
			System.out.println("ƽɼ:" + avar);
		} catch (Exception e) {
			System.out.println(e);
		}
	}
}
